Metadata for virtual relations whose rows must not run during EXPLAIN.
Metadata for virtual relations whose rows must not run during EXPLAIN.
(expression-output expression schema db)Analyze an expression through the ordinary SQL translator, never its runner. UNKNOWN is a syntactic property: constant plans can omit resolution OIDs.
Analyze an expression through the ordinary SQL translator, never its runner. UNKNOWN is a syntactic property: constant plans can omit resolution OIDs.
(normalize-expression expression)Remove syntactic parentheses without changing an expression's identity.
Remove syntactic parentheses without changing an expression's identity.
(table-function-shape table-function function-name coldefs schema db)Declared FROM-function columns without invoking its argument evaluator. Functions whose row layout cannot be established here fail before execution.
Declared FROM-function columns without invoking its argument evaluator. Functions whose row layout cannot be established here fail before execution.
(values-output values schema db)Resolve VALUES columns across every expression row without evaluating cells.
Resolve VALUES columns across every expression row without evaluating cells.
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